Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7° N Lon: 74.8° W Elev: 1404 ft.

Fair

44°F

7°C

Humidity 89%
Wind Speed Calm
Barometer 30.02 in (1016.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Oct 12:56 am EDT
Detailed forecast for

Sullivan County

Overnight
Mostly clear. Lows in the lower 40s. Southeast winds around 5 mph.
Sunday
Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 70s. Southeast winds 5 to 10 mph. Gusts up to 30 mph in the afternoon.
Sunday Night
A chance of showers in the evening, then showers after midnight. Lows in the upper 40s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain near 100 percent.
Monday
Showers. Highs around 60. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.
Monday Night
Partly cloudy. Lows in the upper 30s. West winds 5 to 10 mph with gusts up to 20 mph.
Tuesday
Mostly sunny. Highs in the mid 60s.
Tuesday Night
Showers likely. Lows in the lower 40s. Chance of rain 70 percent.
Wednesday
Partly sunny with a 50 percent chance of showers. Highs in the upper 50s.
Wednesday Night
Partly cloudy. Lows in the mid 30s.
Thursday
Partly sunny. Highs in the mid 50s.
Thursday Night
Mostly clear. Lows in the lower 30s.
Friday
Partly sunny. Highs in the mid 50s.
Friday Night
Partly cloudy. Lows in the mid 30s.
Saturday
Partly sunny. Highs in the mid 50s.



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1235 AM EDT Sun Oct 19 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database